A method for the operation of a converter of a power-generating generator system that can be connected to an electrical AC network, and the use of the converter is provided.The converter is operated by a regulation device regulating the converter as an active audio frequency block. At least one audio frequency current of at least one specified audio frequency is detected. An AC current progression that is to be transmitted to the converter in the regulation device is determined, where at least one audio frequency current is at least partially impressed on the AC current progression. The AC current progression in the converter is generated. The AC current progression generated by the converter is then supplied to the AC network.
Legal claims defining the scope of protection, as filed with the USPTO.
1. A method for the operation of a converter of a power-generating generator system that can be connected to an electrical AC network, wherein the converter is operated by means of a regulation device regulating the converter as an active audio frequency block, comprising the steps of: detecting at least one audio frequency current of at least one specified audio frequency, determining an AC current progression to be transmitted to the converter in the regulation device, wherein at least one detected audio frequency current is at least partially impressed on the AC current progression, generating the AC current progression in the converter, and supplying the AC current progression generated by the converter to the AC network.
2. The method according to claim 1 , wherein network-side audio frequency currents are detected.
3. The method according to claim 1 , wherein the audio frequency currents are at least one of: captured at a network supply point, and regulated at a network supply point.
4. The method according to claim 1 , wherein a ripple control signal is supplied by means of the converter.
5. The method according to claim 2 , wherein the network-side audio frequency currents are filtered out of the network-side AC current by means of at least one band-pass filter and are relayed to the regulation device.
6. The method according to claim 2 , wherein the network-side audio frequency currents are detected in the regulation device.
7. The method according to claim 1 , wherein generator-side audio frequency currents are detected.
8. The method according to claim 7 , wherein the generator-side audio frequency currents are filtered out of the generator-side AC current by means of at least one band-pass filter and are at least one of: relayed to the regulation device, and detected in the regulation device.
9. The method according to claim 1 , wherein the active audio frequency block is adapted to be set for a predetermined, limited frequency range for one of mono-frequent and narrow-band, network-side signals.
10. The method according to claim 9 , wherein the predetermined, limited frequency range is adapted to be set to a ripple control frequency, wherein harmonic frequencies of a base frequency adjacent in a frequency spectrum are weakened compared to the ripple control frequency.
11. The method according to claim 9 , wherein the predetermined, limited frequency range is adapted to be set to at least one harmonic frequency of a base frequency.
12. The method according to claim 2 , wherein the network-side audio frequency currents are impressed on a voltage progression generated by the converter.
13. The method according to claim 12 , wherein the network-side audio frequency currents are impressed on the voltage progression generated by the converter with one of the same and a changed phase.
14. The method according to claim 7 , wherein the generator-side audio frequency currents are impressed on the voltage progression generated by the converter with an opposite phase.
15. The method according to claim 2 , wherein a phase shift of a base frequency generated by the converter is adapted to be set for the network-side AC current by means of the regulation device.
16. The method according to claim 2 , wherein through addition of a base frequency of the AC network and the frequencies of at least one of the network-side and generator-side audio frequency currents with their respective phases a voltage progression is formed in the regulation device regulating the converter.
17. The method according to claim 1 , wherein the converter is regulated by means of a data processing system designed as a regulation device.
18. The method according to claim 1 , wherein the regulation device is operated in-phase with the AC voltage in the AC network.
19. The method according to claim 18 , wherein the regulation device is operated in a phase opposite the AC voltage in the AC network.
20. The method according to claim 19 , wherein the operation of the regulation device in the phase opposite the AC voltage in the AC network is deactivated through activation of the operation of the converter as an active frequency block.
21. The method according to claim 1 , wherein the generator system has a generator-side AC converter and a network-side AC converter, of which at least one AC converter is operated as an active frequency block.
22. The method according to claim 21 , wherein the network-side AC converter is operated as an active frequency block.
23. The method according to claim 21 , wherein the generator-side AC converter is operated as an active frequency block.
24. The method according to claim 1 , wherein the generator system has several converters, wherein each converter is operated as an active frequency block.
25. A method for the operation of a wind power plant with a converter, wherein the converter is operated by means of a regulation device regulating the converter as an active audio frequency block, comprising the steps of: detecting at least one audio frequency current of at least one specified audio frequency, determining an AC current progression to be transmitted to the converter in the regulation device, wherein at least one detected audio frequency current is at least partially impressed on the AC current progression, generating the AC current progression in the converter, and supplying the AC current progression generated by the converter to the AC network.
26. A method of use of a converter of a power-generating generator system of a wind power plant as an active audio frequency block with respect to at least one of network-side audio frequency currents and generator-side audio frequency currents, wherein the converter is operated by means of a regulation device regulating the converter as an active audio frequency block, comprising the steps of: detecting at least one audio frequency current of at least one specified audio frequency, determining an AC current progression to be transmitted to the converter in the regulation device, wherein at least one detected audio frequency current is at least partially impressed on the AC current progression, generating the AC current progression in the converter, and supplying the AC current progression generated by the converter to the AC network.
27. A computer program with program code means, by means of which process steps of a method are executed, wherein the method is for the operation of a converter of a power-generating generator system that can be connected to an electrical AC network, wherein the converter is operated by means of a regulation device regulating the converter as an active audio frequency block, comprising the steps of: detecting at least one audio frequency current of at least one specified audio frequency, determining an AC current progression to be transmitted to the converter in the regulation device, wherein at least one detected audio frequency current is at least partially impressed on the AC current progression, generating the AC current progression in the converter, and supplying the AC current progression generated by the converter to the AC network, wherein a data processing system is designed as a regulation device.
28. The computer program according to claim 27 , wherein the computer program is saved on a data carrier.
29. A power-generating generator system with a regulation device for a converter, wherein the regulation device is a computer program with program code means, by means of which process steps of a method are executed, wherein the method is for the operation of a converter of a power-generating generator system that can be connected to an electrical AC network, wherein the converter is operated by means of a regulation device regulating the converter as an active audio frequency block, comprising the steps of: detecting at least one audio frequency current of at least one specified audio frequency, determining an AC current progression to be transmitted to the converter in the regulation device, wherein at least one detected audio frequency current is at least partially impressed on the AC current progression, generating the AC current progression in the converter, and supplying the AC current progression generated by the converter to the AC network.
30. The power-generating generator system according to claim 29 , wherein the power-generating generator system is used in a wind power plant.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
October 1, 2007
May 29, 2012
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.